#ifndef _RESOURCE_H_
#define _RESOURCE_H_

#include <sys/time.h>
#ifdef __cplusplus
extern "C"
{
#endif

#define RUSAGE_SELF      (0)
#define RUSAGE_CHILDREN  (-1)

struct rusage {
	struct timeval ru_utime; /* user time used */
	struct timeval ru_stime; /* system time used */
	long   ru_maxrss;        /* maximum resident set size */
	long   ru_ixrss;         /* integral shared memory size */
	long   ru_idrss;         /* integral unshared data size */
	long   ru_isrss;         /* integral unshared stack size */
	long   ru_minflt;        /* page reclaims */
	long   ru_majflt;        /* page faults */
	long   ru_nswap;         /* swaps */
	long   ru_inblock;       /* block input operations */
	long   ru_oublock;       /* block output operations */
	long   ru_msgsnd;        /* messages sent */
	long   ru_msgrcv;        /* messages received */
	long   ru_nsignals;      /* signals received */
	long   ru_nvcsw;         /* voluntary context switches */
	long   ru_nivcsw;        /* involuntary context switches */
};

int getrusage(int who,struct rusage*   r_usage);

#ifdef __cplusplus
}
#endif

#endif

